tech(alerting): remove unused property

pkg/api/alerting.go

@@ -73,7 +73,6 @@ func GetAlerts(c *middleware.Context) Response {
 			Name:           alert.Name,
 			Message:        alert.Message,
 			State:          alert.State,
-			EvalDate:       alert.EvalDate,
 			NewStateDate:   alert.NewStateDate,
 			ExecutionError: alert.ExecutionError,
 		})

pkg/models/alert.go

@@ -73,7 +73,6 @@ type Alert struct {
 	Frequency      int64
 
 	EvalData     *simplejson.Json
-	EvalDate     time.Time
 	NewStateDate time.Time
 	StateChanges int